------ did you remember the days _____ we worked on the farm ? ------ Certainly . Especially the hard times _______ we spent together .
There are five pairs _______, but I'm at a loss which to buy.
It's ___ so easy as you imagine.
______ going to the exhibition.
_______ I admit that there are still some problems about the traffic in this area, I don't mean that it can't be solved.
--I'm going to the post office. --_______you're there, can you get me some postcards?